Frequency codes are based on 17. Amount codes are the means of the listed numbers of drinks for each option.

Prenatal alcohol-drinking is often measured with self-report, but it is unclear whether mothers give more accurate answers when asked while pregnant or some time after their...

Mothers who are "consistent" are those who gave the same dichotomous answers at the two timepoints. AA/day = fluid ounces of absolute alcohol per day, CI = confidence interval.

The outcomes considered are birth weight, birth height, head circumference after birth (WHO z-score for age and sex) and year-5 child intelligence (Kaufman mental processing...